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ObjectivesThe potential differences between phylogenetic threats (e.g., snakes) and ontogenetic threats (e.g., guns) can have a wide-ranging impact on a variety of theoretical and practical issues, from etiology of specific phobias to stimulus selection in psychophysiological studies, yet this...
ObjectiveThe dual-hormone hypothesis (DHH) posits that some effects of testosterone on human behavior and psychology related to status-seeking are moderated by cortisol, such that they are stronger when cortisol levels are low. In support of the DHH, studies have found that cortisol negatively...
ObjectivesThis study tested whether genetically predicted trait-body mass index (trait-BMI) was linked to more general daily discrimination among older adults, and consequently to decline in their life satisfaction.MethodsData were from the Health and Retirement Study, nationally representative...
ObjectiveTrait mate value covaries with several socio-political attitudes. One’s dating popularity in a mating market can, however, shift one’s self-perceived mate value in that market. We tested whether dating popularity could therefore also shift socio-political attitudes, and whether trait...
ObjectiveResearch has demonstrated that men prefer women’s voices with higher pitch and that women’s voices recorded at high compared to low fertility phases of the menstrual cycle are rated as more attractive. These findings suggest that voice conveys information relevant to reproductive...
ObjectivesThe male warrior hypothesis suggests that men have evolved psychological mechanisms to form aggressive coalitions against members of outgroups, which may explain men’s propensity to engage in warfare, as well as team sports. We examined gender differences in skin conductivity and...
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